When teaching a prenatal class, the nurse realizes that some of the material must be reviewed when one of the dads says the following statement:

"Some sexually transmitted infections can be transmitted through breast milk.”.

"The placenta will protect the fetus against sexually transmitted infections in utero.”.

"Many sexually transmitted infections are transmissible during delivery.”.

"If the mother has an active sexually transmitted infection at the time of delivery, it might be necessary for her to deliver by cesarean section.”.